Lifting-jack.



F.-J. MUNTZ.

LIFTING JACK.

APPLICATION nuao ss nzs. 1914'.

Patented July 27, 1915.

COLUMBIA PLANOORAPN co wnsmua'ruN. D. C.

FRANK J. MUNTZ, OF MOBILE, ALABAMA.

LIFTING-JACK.

Application filed September 29, 1914.

To all whom it may concern Be it known that I, FRANK J MUNTZ, a citizenof the United States, residing at Mobile, in the county of Mobile andState of Alabama, have invented new and useful Improvements inLifting-Jacks, of which the following is a specification.

This invention relates to improvements in lifting jacks and hasparticular application to a hand operated jack.

In carrying out the present invention, it is my purpose to improve andsimplify the general construction of hand operated lifting jacks of thelever class and to provide a jack which will embrace the desiredfeatures of simplicity, efliciency and durability and which may be putinto service and operated with a minimum expenditure of energy.

With the above and other objects in view, the invention consists in theconstruction, combination and arrangement of parts hereinafter set forthin and falling within the scope of the claim.

In the accompanying drawing; Figure 1. is a view in side elevation of alifting jack constructed in accordance with the present invention, thesame being shown in inactive position. Fig. 2 is a similar view showingthe jack in use. Fig. 3 is a view in end elevation of the jack.

Referring now to the drawing in detail, 1 designates a lever of anydesired length formed centrally with a number of apertures 2 spacedapart longitudinally of the lever, and having the upper edge thereof, atthe central portion, serrated as at 3.

4 designates a leg formed of two longitu dinal sections 5 disposed inparallelism and connected to each other, adjacent to one end, by meansof a pin 6 and having the opposite ends thereof formed with a series ofalining apertures 7 capable of registration with any one of theapertures 2 in the lever 1 and adapted to receive a pivot pin 8 wherebythe lever 1 may be swung upon the leg, the sections of the leg beingdisposed at opposite sides of the lever so that the latter will beeffectively supported and free to move. 7

A second leg 9 constructed identically to the first leg has the upperend of the sec- Specification of Letters Patent.

Patented July 27, 1915.

Serial No. 864,133.

tions thereof formed with a vertical series of alining apertures 10adapted to interchangeably register with an opening 11 in one end of thelever 1 to receive a pivot pin 12. Disposed between the sections of theleg 9 and suitably fastened to such sections approximately centrallythereof is a pin 13 and surrounding the pin 13 is an eye 11 carried byone end of a rod 15 extending be tween the sections of the leg 9 andtermi- Zontal position the leg 9 swings to a perpendicular position atright angles to the plane of the lever 1 and upon the release of thelever 1 the legs cooperate to support the vehicle in elevated position.To remove the jack, the handle end of the lever 1 is elevated slightlyand the leg 9 pulled from un der the adjacent end of the lever 1 underthe action of the rod 15 and handle 16 whereby the lever may be loweredand the vehicle axle restored to normal position.

My means of the apertures 2 in the lever 1 and the apertures 7 in theleg 4, the lever and leg may be adjusted relatively to one another toaccommodate vehicle axles of various heights, while by means of theapertures 10 in the leg 9 the latter may be adjusted vertically tocorrespond with the vertical adjustment of the leg 4.

I claim:

A jack of the class described comprising upper end thereof adapted tointerchangeto the handle end of said lever, and a handle ably registerwith an aperture in one end of on the last-mentioned end of said rod. 10

,said lever, a pivot pin passed through said In testimony whereof Iaflix my signature alining apertures, a handle on the remaining inpresence of two Witnesses.

end o f-said lever, a pin carriedby saidlast FRANK J. MUNTZ. legapproximately centrally thereof, a rod \Vitnesses: having one endconnected to said pin and R. T. ERVIN,

I the opposite end terminating in proximity V; C. GIBBIN.

Copies of this patent may be obtained for five cents each, by addressingthe "Commissioner of Patents.

7 Washington, D. C.

